Copyright 2009 . All rights reserved. Software makes things tick, which allows the computer to save the video on the hard disk. There are systems for both Linux and Windows. A Linux Version will allow you to use no-cost software that will run on older machines and still do a great job. Prefer A Windows Version? This one has many advanced features, such as face recognition, motion detection, and more. It also has a license fee (under $100), but you can use the system indefintely in the unregistered demo mode. read more Support up to 16 views Nite vision cameras Motion detection View On-line from a secure internet connection. Have an email alert with captured image from alarm sent. Rest easier with a 36/7/365 night watchman that also allows you to see whats going on from anywhere.